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Our lovely March cover girl, Anne Hathaway, is wearing Cool Reserve, a shade from celebrity nail guru Jin Soon Choi‘s limited-edition MAC Nail Trend collection that came out in late August. (The manicurist must have held onto an extra bottle of this grayish lavender because it’s sold out everywhere—and going for wild prices on ebay!) For a similar effect, Essie’s new shade lilacism ($8, essieshop.com) is a near-perfect substitute.